Rsizer

In plain words

Rsizer is a free, open-source image optimization service that resizes, converts, and caches images globally. Users provide an image URL and desired parameters, and the service handles resizing, format conversion to formats like WebP and JPEG, and worldwide caching via Cloudflare's network of over 300 datacenters. It supports multiple file types including PNG, GIF, TIFF, PDF, and SVG, allowing photographers and designers to quickly optimize images without managing servers.

written from the facts on this page · September 2026

From the sources

A powerful image cache & resize service to optimize your images. Free and open source. Powered by wsrv.nl + Cloudflare.

A powerful image cache & resize service. Our servers resize your image, cache it worldwide, and serve it lightning fast. https://lightspeed.ac/?url=lightspeed.run/logo.png&w=128&output=webp Powered by Cloudflare's global CDN with 300+ datacenters worldwide. Support for JPEG, PNG, BMP, GIF, TIFF, WebP, PDF and SVG formats. Deployed on Lightspeed's servers so you can spend your money on other stuff. Provide an image URL along with your desired parameters, and the Image Optimizer takes care of the rest. It fetches the image, resizes it to your specifications, caches it for optimal performance, and delivers the processed image instantly. On subsequent requests, the cached version is served,…from lightspeed.run

• 
  Promo.com Free Image Resizer2018 · promo.com · ▲234

  Automatically optimize images for web & social media (free!)

• 
  GIF Resizer2016 · ▲270

  Create animated GIFs and resize GIFs too big to tweet!

• 
  Resizer2021 · resizer.in · ▲151

  Double the size of your image while reducing noise

• 
  Free Image Resizer2024 · ▲142

  Resize Image in one click for all social media platforms

• 
  Image Resizer 2.02021 · promo.com · ▲120

  Resize your images in 3 easy steps for free, by Promo.com

• 
  Image Resizer2023 · goonlinetools.com · ▲12

  Resize your images quickly, perfect every time.

Questions this answers

• image resizer

• 
  Lofi Cities – Pixel-art city nights with browser-generated lofi▲319

  Endless lofi beats composed live in your browser, over pixel-art nights in Paris, Tokyo, New York, Hong Kong, Sydney, San Francisco and more. Free, no sign-up.

  Work · 24d ago · loficities.com

• 
  Smooth Recorder▲257

  Mac screen recordings that look edited when you hit stop

  Work · 18d ago · smoothrecorder.com

• 
  Figma Specs▲222

  A container for your context that lives on the Figma canvas

  Work · 3d ago · figma.com

• 
  The rarest tech books and docs you've probably never read▲190

  Work · 12d ago · readrare.com

• 
  Hunter▲1,703

  Find any company logo by domain with Hunter’s free logo API. No account, no API key. The simplest Clearbit Logo API replacement, switch in 30 seconds.

  Growth · 2015 · hunter.io

• 
  CheatSheet▲982

  View Mac keyboard shortcuts in the current application

  Work · 2015 · mediaatelier.com

• 
  Helium▲794

  A floating browser window for your Mac

  Work · 2015

• 
  A tool that transforms your whole list with just one example▲764

  saas that helps convert

  Life & fun · 2015 · transformy.io

• AR
  A random startup generator▲607

  Life & fun · 2015 · tiffzhang.com

• 
  Operator▲546

  Looking for something? Make a request and we'll find it.

  AI · 2015 · operator.com